diff --git a/docker-cleaner/clean.sh b/docker-cleaner/clean.sh
old mode 100644
new mode 100755
index f879f4e..a14b410
--- a/docker-cleaner/clean.sh
+++ b/docker-cleaner/clean.sh
@@ -1,5 +1,5 @@
 while true
 do
   docker image rm $(docker image ls -q) || true
-  sleep(86400)
+  sleep 86400
 done
\ No newline at end of file